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  • 1
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    Outcomes of concurrent radiation with cisplatin versus cetuximab in locally-advanced head and neck squamous cell carcinoma (LAHNSCC).
    American Society of Clinical Oncology (ASCO) ; 2018
    In:  Journal of Clinical Oncology Vol. 36, No. 15_suppl ( 2018-05-20), p. e18007-e18007
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 36, No. 15_suppl ( 2018-05-20), p. e18007-e18007
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2018.36.15_suppl.e18007
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2018
    detail.hit.zdb_id: 2005181-5
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  • 2
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    Elective Cancer Surgery in COVID-19–Free Surgical Pathways During the SARS-CoV-2 Pandemic: An International, Multicenter, Comparative Cohort Study
    American Society of Clinical Oncology (ASCO) ; 2021
    In:  Journal of Clinical Oncology Vol. 39, No. 1 ( 2021-01-01), p. 66-78
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 39, No. 1 ( 2021-01-01), p. 66-78
    Abstract: As cancer surgery restarts after the first COVID-19 wave, health care providers urgently require data to determine where elective surgery is best performed. This study aimed to determine whether COVID-19–free surgical pathways were associated with lower postoperative pulmonary complication rates compared with hospitals with no defined pathway. PATIENTS AND METHODS This international, multicenter cohort study included patients who underwent elective surgery for 10 solid cancer types without preoperative suspicion of SARS-CoV-2. Participating hospitals included patients from local emergence of SARS-CoV-2 until April 19, 2020. At the time of surgery, hospitals were defined as having a COVID-19–free surgical pathway (complete segregation of the operating theater, critical care, and inpatient ward areas) or no defined pathway (incomplete or no segregation, areas shared with patients with COVID-19). The primary outcome was 30-day postoperative pulmonary complications (pneumonia, acute respiratory distress syndrome, unexpected ventilation). RESULTS Of 9,171 patients from 447 hospitals in 55 countries, 2,481 were operated on in COVID-19–free surgical pathways. Patients who underwent surgery within COVID-19–free surgical pathways were younger with fewer comorbidities than those in hospitals with no defined pathway but with similar proportions of major surgery. After adjustment, pulmonary complication rates were lower with COVID-19–free surgical pathways (2.2% v 4.9%; adjusted odds ratio [aOR], 0.62; 95% CI, 0.44 to 0.86). This was consistent in sensitivity analyses for low-risk patients (American Society of Anesthesiologists grade 1/2), propensity score–matched models, and patients with negative SARS-CoV-2 preoperative tests. The postoperative SARS-CoV-2 infection rate was also lower in COVID-19–free surgical pathways (2.1% v 3.6%; aOR, 0.53; 95% CI, 0.36 to 0.76). CONCLUSION Within available resources, dedicated COVID-19–free surgical pathways should be established to provide safe elective cancer surgery during current and before future SARS-CoV-2 outbreaks.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.20.01933
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2021
    detail.hit.zdb_id: 2005181-5
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  • 3
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    SKYSCRAPER-02: Primary results of a phase III, randomized, double-blind, placebo-controlled study of atezolizumab (atezo) + carboplatin + etoposide (CE) with or without tiragolumab (tira) in patients (pts) with untreated extensive-stage small cell lung cancer (ES-SCLC).
    American Society of Clinical Oncology (ASCO) ; 2022
    In:  Journal of Clinical Oncology Vol. 40, No. 17_suppl ( 2022-06-10), p. LBA8507-LBA8507
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 40, No. 17_suppl ( 2022-06-10), p. LBA8507-LBA8507
    Abstract: LBA8507 Background: Atezo, in combination with CE, was the first cancer immunotherapy approved for 1L treatment of ES-SCLC. However, most pts eventually experience disease progression. TIGIT is a novel inhibitory immune checkpoint present on activated T cells and NK cells. Tira (anti-TIGIT) may synergise with other immunotherapies, such as PD-L1/PD-1 inhibitors, and further amplify the immune response to improve clinical outcomes. SKYSCRAPER-02 (NCT04256421) evaluates whether the antitumor effect and survival benefits of the combination of atezo + CE could be enhanced by adding tira in pts with ES-SCLC. Methods: Eligible pts with untreated ES-SCLC (asymptomatic treated or untreated brain metastases [BM] permitted) were randomized 1:1 to receive induction tira 600 mg IV or placebo (pbo) combined with atezo 1200 mg IV + CE for 4 x 21-day cycles followed by maintenance tira or placebo combined with atezo every 3 weeks until disease progression or loss of clinical benefit. Stratification factors include ECOG PS (0 vs 1); presence/history of BM (yes vs no); LDH (≤upper limit of normal [ULN] vs 〉 ULN). Co-primary endpoints were investigator-assessed PFS and OS in all randomized pts without the history/presence of BM at baseline (primary analysis set [PAS]). Additional endpoints include PFS and OS in all randomized pts regardless of BM status (full analysis set [FAS] ), objective response rate, duration of response, and safety. Results: A total of 490 patients were randomized (tira + atezo + CE, n=243; pbo + atezo + CE, n=247). As of 6 Feb 2022, median duration of follow-up was 13.9 months (mo); data represent final analysis for PFS and interim analysis for OS. In the PAS, no additional benefit was seen for tira + atezo + CE in PFS or OS compared with pbo + atezo + CE (Table). PFS and OS in the FAS were consistent with those observed in the PAS (Table). Grade 3/4 TRAEs occurred in 52.3% (tira + atezo + CE) and 55.7% (pbo + atezo + CE) and Grade 5 TRAEs occurred in 0.4% (tira + atezo + CE) and 2.0% (pbo + atezo + CE). TRAEs leading to any treatment discontinuation occurred in 5.0% and 5.3% with tira + atezo + CE and pbo + atezo + CE, respectively. Conclusions: The addition of tira to atezo + CE did not provide benefit over atezo + CE in pts with untreated ES-SCLC with or without BM. The combination was well tolerated, and no new safety signals were identified. The study will continue to planned final OS analysis. Clinical trial information: NCT04256421. [Table: see text]
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2022.40.17_suppl.LBA8507
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2022
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  • 4
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    Online Resource
    Liquid biopsy in the clinic: A prospective study of plasma circulating tumor DNA (ctDNA) next generation sequencing (NGS) in patients with advanced non-small cell lung cancers to match targeted therapy.
    American Society of Clinical Oncology (ASCO) ; 2017
    In:  Journal of Clinical Oncology Vol. 35, No. 15_suppl ( 2017-05-20), p. 11536-11536
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 35, No. 15_suppl ( 2017-05-20), p. 11536-11536
    Abstract: 11536 Background: Liquid biopsy for plasma ctDNA NGS is a rapidly evolving science. Plasma ctDNA assays are commercially available and are increasingly adopted in the community with a paucity of evidence-based guidance. We set out to study the optimal timing and utility of plasma ctDNA NGS in clinic. Methods: Pts with advanced NSCLC who were driver unknown, defined as not having prior tissue NGS or clinical concern for tumor heterogeneity that may affect treatment decisions, were eligible. Peripheral blood was collected in a Streck tube (10mL), DNA extracted, and subjected to a bias-corrected hybrid-capture 21 gene targeted NGS assay in a CLIA lab with unique reads at 3000x and sensitive detection at variant allele frequency above 0.1% (ResolutionBio Bellevue, WA). Pts also had concurrent tissue NGS via MSK IMPACT. Clinical endpoints included detection of oncogenic drivers in plasma, ability to match pts to targeted therapy, concordance and turnaround time of plasma and tissue NGS. Results: Forty-one pts were prospectively accrued. Plasma ctDNA detected an oncogenic driver in 39% (16/41) of pts, of whom 17% (7/41) were matched to targeted therapy; including pts matched to clinical trials for HER2 exon 20 insertionYVMA, BRAF L597Q and MET exon14. Mean turnaround time for plasma was 7 days (4-12) and 28 days (20-43) for tissue. Plasma ctDNA was detected in 56% (23/41) of pts; detection was 40% (8/20) if blood was drawn on active therapy and 71% (15/21) if drawn off therapy, either at diagnosis or progression (Odds ratio 0.28, 95% CI 0.06 - 1.16; p = 0.06). All pts had concurrent tissue NGS; of the 10 samples resulted, there was 100% driver concordance between tissue and plasma in pts drawn off therapy. Conclusions: In pts who were driver unknown or who had clinical concern for tumor heterogeneity, plasma ctDNA NGS identified a variety of oncogenic drivers with a short turnaround time and matched them to targeted therapy. Plasma ctDNA detection was more frequent at diagnosis of metastatic disease or at progression. A positive finding of an oncogenic driver in plasma is highly specific, but a negative finding may still require tissue biopsy.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2017.35.15_suppl.11536
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2017
    detail.hit.zdb_id: 2005181-5
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  • 5
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    Online Resource
    Immediate versus delayed adjuvant chemoradiation for resected pancreatic cancer: An analysis of local control and survival.
    American Society of Clinical Oncology (ASCO) ; 2012
    In:  Journal of Clinical Oncology Vol. 30, No. 4_suppl ( 2012-02-01), p. 301-301
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 30, No. 4_suppl ( 2012-02-01), p. 301-301
    Abstract: 301 Background: Patients with resected pancreatic cancer have a significant risk of both local and distant failures. Because of the importance of chemotherapy (CT) highlighted by recent trials, the ongoing RTOG 0848 delays chemoradiation (CRT) randomization to after 5 cycles of chemotherapy (CT). However, the impact of delaying CRT on LR is unknown. We evaluated the patterns of failure and outcomes for patients treated with immediate vs. delayed CRT. Methods: 174 consecutive patients with resectable pancreas cancer who received post-operative CRT at the Massachusetts General Hospital and Brigham & Women’s Hospital/Dana-Farber Cancer Institute between 1998-2010 were retrospectively reviewed on an IRB approved protocol. CRT was delivered to 50.4 Gy with concurrent 5FU or capecitabine. Patient baseline characteristics, pathologic features, and CA19-9 were obtained. Patients were divided into immediate CRT vs. delayed CRT, defined as receiving any CT prior to CRT. LR was independently re-reviewed and confirmed. LR, PFS, and OS were calculated using the Kaplan-Meier method and groups compared using the log-rank test. Results: Median age was 62 (range, 34-83), 75 were male, and ECOG PS was 0-1 in 95% of patients. Median tumor size was 3 cm, 67% had positive nodes, and 33% had positive margins. Mean pre-operative and post-operative CA 19-9 was 813 U/mL and 19 U/mL, respectively. 123/174 (72%) patients received immediate CRT, of whom 101 received additional chemotherapy (5FU or gemcitabine (GEM)). 51/174 (28%) received delayed CRT, and received a median of 4 cycles of GEM prior to CRT. Median follow-up was 33 months (range, 3.6-67). 6/51 (12%) delayed CRT had LR prior to initiation of CRT. 25/51 in the delayed CRT group had a LR (49%) vs. 35/124 patients (28%) in the immediate CRT group. The 1-year LR rates in the immediate and delayed CRT groups were 18% and 40%, respectively (p=0.0093). There was no difference between immediate or delayed CRT, respectively, in mPFS (12.8 mo vs. 12.2 mo, p=0.6544) or mOS (24.8 mo vs. 26.7 mo, p=0.7163). Conclusions: Delayed radiation is associated with an increased risk of LR, though this did not appear to impact PFS or OS.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2012.30.4_suppl.301
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2012
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  • 6
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    Online Resource
    Sunitinib (SU) in patients with advanced, progressive pancreatic neuroendocrine tumors (pNET): Final overall survival (OS) results from a phase III randomized study including adjustment for crossover.
    American Society of Clinical Oncology (ASCO) ; 2016
    In:  Journal of Clinical Oncology Vol. 34, No. 4_suppl ( 2016-02-01), p. 309-309
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 34, No. 4_suppl ( 2016-02-01), p. 309-309
    Abstract: 309 Background: In 2010, the pivotal double blind Phase III study met its primary endpoint with a median progression-free survival (PFS) of 11.4 months (mo) for sunitinib vs. 5.5 mo for placebo (PBO) (HR=0.42; 95% CI 0.26-0.66; P 〈 0.001) in patients (pts) with advanced, progressive pNET. This trial showed an OS difference favouring sunitinib (HR=0.41; 95% CI 0.19-0.89; P = 0.02). At 2 years since study closure, median OS was 33.0 mo for SU and 26.7 mo for PBO (HR=0.71; 95% CI 0.47-1.09; P = 0.115). Methods: A total of 171 pts were randomly assigned 1:1 to SU 37.5 mg continuous daily dose (n = 86) or PBO (n = 85). The primary end-point was investigator assessed PFS. Pts receiving PBO could crossover to SU at disease progression. Final OS at 5 years follow-up since study closure was analyzed using the Kaplan-Meier method and Cox proportional hazards model in the intent-to-treat (ITT) population. In addition, a series of methods were used to adjust for cross-over including rank-preserving structural failure time (RPSFT). Clinical trial information: NCT00428597 . Results: At 5 years follow-up since study closure, the median OS was 38.6 mo for those randomized to SU and 29.1 mo for those randomized to PBO (HR=0.73, 95% CI 0.50-1.06; P = 0.094). In total, 59 pts randomized to PBO (69%) crossed over to SU. OS results obtained applying methods to adjust for cross-over are shown in Table 1. Conclusions: The 5-year OS difference (9.5 mo) between SU and PBO is confirmed. Correction for crossover yielded a stronger OS advantage with SU, confirming that crossover likely confounded the OS results. Clinical trial information: NCT00428597. [Table: see text]
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2016.34.4_suppl.309
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2016
    detail.hit.zdb_id: 2005181-5
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  • 7
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    Online Resource
    Phase II study combining personalized dendritic cell (DC)-based therapy, AGS-003, with sunitinib in metastatic renal cell carcinoma (mRCC).
    American Society of Clinical Oncology (ASCO) ; 2012
    In:  Journal of Clinical Oncology Vol. 30, No. 5_suppl ( 2012-02-10), p. 348-348
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 30, No. 5_suppl ( 2012-02-10), p. 348-348
    Abstract: 348 Background: AGS-003 is a personalized immunotherapy that employs autologous DCs co-electroporated with the subject’s amplified tumor mRNA and synthetic CD40L RNA. Based on previous results with single agent AGS‐003 and acceptance of TKIs as the standard of care for mRCC, AGS-003 was evaluated in combination with sunitinib as initial treatment for advanced RCC. Progression free survival (PFS) results for the combination have been previously presented and show improvement compared to historical data in unfavorable risk patients treated with sunitinib alone. Methods: AGS-003-006 is an open label phase II study that included subjects with newly diagnosed, metastatic clear cell RCC. Tumor was harvested by nephrectomy or metastasectomy for mRNA. Autologous monocytes were collected by leukapheresis for the production of DCs. Subjects subsequently received sunitinib (4wks on, 2wks off) combined with AGS-003 (every 3wks X 5 doses, then every 12wks) until progression. AGS-003 doses consisted of 1 X 10 7 cells administered by intradermal injection to a single lymph node basin. Response was evaluated per RECIST and subjects followed for PFS and OS. Immune responses were assessed at baseline and after five AGS-003 doses using multiparametric flow cytometry. Results: 25 subjects were enrolled; 21 received treatment. The median PFS from registration for subjects receiving at least one dose of AGS-003 was 11.9 months. For subjects with 1–2 MSKCC risk factors (intermediate risk), PFS = 14.9 months and for subjects with 3–4 MSKCC risk factors (poor risk), PFS = 6.0 months. Median OS from registration has not been reached. Median OS for poor risk subjects = 7.9 months. Median OS for intermediate risk subjects has yet to be reached, but will exceed 28.3+ months. Conclusions: AGS-003 is well tolerated with no immunotherapy-related SAEs or grade 3/4 AEs reported. Interim data indicate that AGS-003 in combination with sunitinib yields a median OS higher than that reported for sunitinib alone in unfavorable risk subjects. Updated OS and immune response correlates will be presented. These results support the ongoing, randomized phase III ADAPT study.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2012.30.5_suppl.348
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2012
    detail.hit.zdb_id: 2005181-5
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  • 8
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    Online Resource
    Real-world clinical outcomes and molecular features of lung-specific and liver-specific metastases in pancreatic ductal adenocarcinoma (PDAC).
    American Society of Clinical Oncology (ASCO) ; 2022
    In:  Journal of Clinical Oncology Vol. 40, No. 4_suppl ( 2022-02-01), p. 532-532
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 40, No. 4_suppl ( 2022-02-01), p. 532-532
    Abstract: 532 Background: PDAC remains one of the most lethal malignancies following metastatic presentation, typically to the liver or lung. Previous studies have observed that advanced PDAC patients have variable outcomes depending on site of involvement. Here, we aim to understand survival outcomes and molecular features for PDAC based on involvement of lung vs liver. Methods: We retrospectively analyzed longitudinal clinical outcomes across 787 patients with PDAC with next generation sequencing (NGS) from Perthera’s Real-World Evidence database whose tumors first metastasized to either the lung or the liver. Median overall survival (mOS) was measured from either the date of initial diagnosis (resectable cases only, stage I-III) or advanced diagnosis (stage IV) until death. Differences in survival and frequencies of mutations were evaluated between patients with lung-specific and liver-specific metastases using Cox regression and Fisher's exact test, respectively. Results: Among resectable PDAC, mOS from initial diagnosis was significantly shorter in patients that developed liver only metastasis (Table, left) compared to those patients that developed lung only metastasis (p=2.4e-08, HR=3.04 [2.06-4.49]). In the advanced PDAC cohort, mOS from diagnosis of advanced disease was also significantly shorter (Table, right) in liver only versus lung only metastasis (p=0.0013, HR=1.62 [1.21-2.18] ). Differences in treatment-specific outcomes were not significant supporting a potential prognostic role for lung only metastases. PDAC tumors presenting to the liver first were modestly enriched (unadjusted p 〈 0.05) for TP53 mutations (81.4% in liver vs 69.2% in lung), MYC amplifications (8.6% vs 3.0%), and inactivating CDK2NA alterations (51.5% vs 39.1%) whereas lung-specific mutation frequencies were higher for STK11 mutations (2.4% in liver vs 7.5% in lung), CCND1 amplifications (0.5% vs 3.0%), GNAS alterations (2.0% vs 8.5%). No differences in KRAS mutations nor specific isoforms were noted between lung vs liver only metastasis. Conclusions: Lung only metastasis in both resectable and advanced PDAC confers a significant survival advantage compared to liver only metastasis. Deeper investigation into the molecular drivers of site-specific metastases is warranted.[Table: see text]
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2022.40.4_suppl.532
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2022
    detail.hit.zdb_id: 2005181-5
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  • 9
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    Online Resource
    Association of pancreatic adenocarcinoma location (head/body/tail) with DDR mutation status and response to platinum-based therapy.
    American Society of Clinical Oncology (ASCO) ; 2022
    In:  Journal of Clinical Oncology Vol. 40, No. 4_suppl ( 2022-02-01), p. 612-612
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 40, No. 4_suppl ( 2022-02-01), p. 612-612
    Abstract: 612 Background: Pancreatic adenocarcinoma is an aggressive disease with poor clinical prognosis that can originate from either the head (H) or body/tail (BT). Potential prognostic implications for H versus BT tumors have been reported; however, the molecular underpinnings associated with these differences in survival have not fully been explored. Using a large-scale real-world cohort of H and BT tumors with NGS results available from commercial labs, we retrospectively aim to identify potential differences between H and BT tumors in their response to standard therapies to help understand whether the treatment prioritization for pancreatic adenocarcinoma should take into account anatomical sidedness, as is recognized today with left-sided versus right-sided colorectal cancers. Methods: We analyzed outcomes across 1540 pts with NGS results from Perthera’s Real-World Evidence database who were diagnosed with PDAC originating from the H or BT. Progression-free survival (PFS) was evaluated from initiation of 1st line for advanced disease until discontinuation due to disease progression. Hazard ratios and p-values were computed via Cox regression when comparing PFS between 1st line FOLFIRINOX and gemcitabine/nab-paclitaxel. Differences in frequencies of genomic alterations between proximal and distal were analyzed by Fisher’s exact test. Results: Mutations in BRCA1/ BRCA2/ PALB2 were enriched (unadjusted p-value=0.017) in BT tumors (8.6% of 619) relative to H tumors (5.4% of 921). An expanded set of DDR pathway alterations (e.g. ATM, FANCA, CHEK2, BAP1, BRIP1, etc) were also enriched (unadjusted p-value=0.003) in BT tumors (21.4% of 619) relative to H tumors (15.6% of 921). In BT tumors, mPFS on 1st line FOLFIRINOX was longer (Table) than 1st line gemcitabine/nab-paclitaxel (p=0.0078) but this difference was not observed in H tumors (p=0.34). Overall survival data in these patients and an independent institutional cohort which motivated these analyses will also be discussed. Conclusions: DDR pathway alterations are known predictors of increased benefit from platinums and these real-world insights preliminarily suggest that DDR mutations are more common in BT vs. H. Prospective studies may be warranted to confirm the hypothesis-generating findings that platinum-based regimens should be prioritized in patients with BT tumors while underscoring the importance of routine NGS testing in both BT and H tumors given the prevalence of DDR pathway alterations on both sides of the pancreas.[Table: see text]
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2022.40.4_suppl.612
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2022
    detail.hit.zdb_id: 2005181-5
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  • 10
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    Phase I trial of in situ vaccination with autologous CCL21-modified dendritic cells (CCL21-DC) combined with pembrolizumab for advanced NSCLC.
    American Society of Clinical Oncology (ASCO) ; 2022
    In:  Journal of Clinical Oncology Vol. 40, No. 16_suppl ( 2022-06-01), p. TPS9154-TPS9154
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 40, No. 16_suppl ( 2022-06-01), p. TPS9154-TPS9154
    Abstract: TPS9154 Background: Effective immunotherapy options are lacking for patients with advanced non-small cell lung cancer (NSCLC) who progress on a programmed cell death-(ligand)1 [PD-(L)1] inhibitor and for those that are epidermal growth factor receptor (EGFR) mutation or anaplastic lymphoma kinase (ALK) rearrangement positive after progression on tyrosine kinase inhibitor (TKI) therapy. One potential approach to improve immune checkpoint efficacy in these patient populations is to promote cytolytic T cell infiltration into tumors. This can be accomplished via in situ vaccination with functional antigen presenting cells (APCs) which can take advantage of the full repertoire of tumor antigens and convert the tumor into a lymph node-like environment promoting both local and systemic T cell activation. The chemokine CCL21 promotes co-localization of naive T cells and antigen-experienced dendritic cells (DCs) to facilitate T cell activation. Our preclinical studies and phase I trial of intratumoral (IT) administration of DC genetically modified to overexpress CCL21 (CCL21-DC) revealed augmentation of tumor antigen presentation in situ, resulting in systemic antitumor immunity. However, increased PD-L1 expression was observed in some patient tumors, suggesting that tumor-mediated impairment of T cell function may be forestalling a more robust CCL21-DC mediated antitumor response. Similarly, improved PD-(L)1 inhibitor efficacy may be possible with enhanced T cell infiltration and augmented APC function following IT CCL21-DC. Therefore, we are conducting a phase I trial, combining IT CCL21-DC with pembrolizumab in patients with advanced NSCLC that are either (1) EGFR/ALK wild-type after progression on a PD-(L)1 inhibitor or (2) EGFR/ALK mutant after progression on TKI therapy. Methods: Phase I, dose-escalating, multi-cohort trial followed by dose expansion. Maximum of 24 patients (9-12 escalation + 12 expansion) with stage IV NSCLC will be evaluated who have tumors accessible for IT injection and are either (1) EGFR/ALK wild-type after progression on a PD-(L)1 inhibitor or (2) EGFR/ALK mutant after progression on TKI therapy. Three IT injections of autologous CCL21-DC (days 0, 21, 42) will be concurrently administered with pembrolizumab, followed by q3wk pembrolizumab up to 1 year. Primary objective of dose escalation is safety and determination of maximum tolerated dose (MTD) of IT CCL21-DC (5x10 6 , 1x10 7 , or 3x10 7 ) when combined with pembrolizumab. Primary objective of dose expansion is objective response rate at MTD. Secondary objectives include adverse event profiling and determination of drug target activity by immune monitoring studies. This trial is currently open for enrollment. Clinical trial information: NCT03546361.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2022.40.16_suppl.TPS9154
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2022
    detail.hit.zdb_id: 2005181-5
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